A computer network course introduction typically covers the basics of computer networking, including: Network architectures: How networks are structured Protocols: How devices communicate with each other Technologies: How data is exchanged between devices Networking models: How network layers work together, such as the TCP/IP and OSI models Networking devices: How devices like cables, hubs, switches, routers, servers, and clients work Network standards: Basic network standards Network types: Different types of networks Topologies: Different network topologies Hardware: How hardware works in a network Troubleshooting: How to troubleshoot network issues Security: How to secure a network